5955-00-142-0457 CRYSTAL UNIT,QUARTZ Index 3110-00-142-0459 BALL,BEARING

National Stock Number:
3110-00-142-0458

Federal Supply Class:
3110

National Item Identification Number:
001420458

Description:
BALL,BEARING

Detail:
A homogenous spherical body, a series of which provides the rolling elements in a BEARING, BALL (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes BALL, CHECK; BALL, VALVE, PORTED.


Manufacturer Information:
820047219200US ARMY ARDEC RDECOM


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 420 OR STEEL COMP 440C OVERALL
ROLLING ELEMENT DIAMETER0.0781 INCHES NOMINAL
SPECIAL FEATURESMETALLIC HARDNESS RATING ROCKWELL C MIN 50.0 IN. AND MAX 58.0 IN.
STYLE DESIGNATORBALL


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